The amount of the withdrawal.
Accepts positive or negative values; regardless of the sign provided, the withdrawal is stored and processed as a negative amount in the system.
When liquidate is true, omit this field or send 0.
By default, the amount provided represents the gross amount of the withdrawal. Any associated fees or tax withholding for the request are deducted from this amount. The customer receives the amount net of these deductions. If there are no fees or other deductions, the customer receives the requested amount.